All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH] resize2fs: Make minimum size estimates more reliable for mounted fs
Date: Sun, 10 Nov 2019 08:14:43 -0500	[thread overview]
Message-ID: <20191110131443.GI23325@mit.edu> (raw)
In-Reply-To: <20191018125059.2446-1-jack@suse.cz>

On Fri, Oct 18, 2019 at 02:50:59PM +0200, Jan Kara wrote:
> Currently, the estimate of minimum filesystem size is using free blocks
> counter in the superblock. The counter generally doesn't get updated
> while the filesystem is mounted and thus the estimate is very unreliable
> for a mounted filesystem. For some usecases such as automated
> partitioning proposal to the user it is desirable that the estimate of
> minimum filesystem size is reasonably accurate even for a mounted
> filesystem. So use group descriptor counters of free blocks for the
> estimate of minimum filesystem size. These get updated together with
> block being allocated and so the resulting estimate is more accurate.
> 
> Signed-off-by: Jan Kara <jack@suse.cz>

Thanks, applied.

						- Ted

      reply	other threads:[~2019-11-10 13:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18 12:50 [PATCH] resize2fs: Make minimum size estimates more reliable for mounted fs Jan Kara
2019-11-10 13:14 ` Theodore Y. Ts'o [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191110131443.GI23325@mit.edu \
    --to=tytso@mit.edu \
    --cc=jack@suse.cz \
    --cc=linux-ext4@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.